Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 256KB LQFP
151
152
153
154
155
156
157
158
159
160
DS10198 Rev 8 157/270
STM32L476xx Electrical characteristics
238
Note: For information on selecting the crystal, refer to the application note AN2867 “Oscillator 
design guide for ST microcontrollers” available from the ST website www.st.com.
Figure 26. Typical application with a 32.768 kHz crystal
Note: An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden 
to add one.
1. Guaranteed by design.
2. Refer to the note and caution paragraphs below the table, and to the application note AN2867 “Oscillator design guide for 
ST microcontrollers”.
3.  t
SU(LSE)
 is the startup time measured from the moment it is enabled (by software) to a stabilized 32.768 kHz oscillation is 
reached. This value is measured for a standard crystal and it can vary significantly with the crystal manufacturer
MS30253V2
OSC32_IN
OSC32_OUT
Drive 
programmable 
amplifier
f
LSE
32.768 kHz 
resonator
Resonator with integrated 
capacitors
C
L1
C
L2
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